Refusing to listen to him is just childish, no matter how much one disagrees with him.
It might seem impolite but conservatives are tired of being used. The GOP-e has picked Jeb to be the next losing Republican presidential nominee and WE ARE NOT GOING TO SIT and suffer quietly while the Bush-GOP-e machine rolls over the base.
No it’s not.
Each and every individual has the freedom to decide for themselves whose speeches they wish to listen to and whose they do not - what’s childish is calling them names for exercising that freedom.
And it’s not like Jeb Bush has anything new to say anyway.